25 lines
575 B
JavaScript
25 lines
575 B
JavaScript
|
// Copyright 2014 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
// Inlining shift with holey smi arrays shouldn't deopt just because it
|
||
|
|
// encounters the hole on the copy step.
|
||
|
|
function doShift(a) {
|
||
|
|
var x = a.shift();
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
function makeArray() {
|
||
|
|
var a = [1, 2,, 3];
|
||
|
|
a[0] = 2;
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
|
||
|
|
doShift(makeArray());
|
||
|
|
doShift(makeArray());
|
||
|
|
%OptimizeFunctionOnNextCall(doShift);
|
||
|
|
doShift(makeArray());
|
||
|
|
assertOptimized(doShift);
|